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MY118276A - Air conditioning apparatus - Google Patents

Air conditioning apparatus

Info

Publication number
MY118276A
MY118276A MYPI9301804A MY118276A MY 118276 A MY118276 A MY 118276A MY PI9301804 A MYPI9301804 A MY PI9301804A MY 118276 A MY118276 A MY 118276A
Authority
MY
Malaysia
Prior art keywords
bypass valve
bypass
cooling operation
air conditioning
conditioning apparatus
Prior art date
Application number
Inventor
Norio Takahashi
Takashi Sugai
Noboru Hojo
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of MY118276A publication Critical patent/MY118276A/en

Links

Landscapes

  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

AN AIR CONDITIONING APPARATUS OF A SIMPLE STRUCTURE WHICH REALIZES REDUCTION OF POWER CONSUMPTION DURING COOLING OPERATION AND HIGH- CAPACITY PERFORMANCE DURING HEATING OPERATION WITHOUT USING SPECIAL DEVICES, AND WHICH HAS AN IMPROVED CAPACITY AT THE TIME OF STARTING OF COOLING OPERATION. THIS AIR CONDITIONING APPARATUS COMPRISES A COMPRESSOR 1, A FOUR - WAY VALVE 2 INCLUDING A PISTON 22 HAVING A BYPASS PORT 8, AN OUTDOOR HEAT EXCHANGER 3, A PRESSURE RELEASE DEVICE 4, AND AN INDOOR HEAT EXCHANGER 5, WHICH ARE CONNECTED BY REFRIGERANT PIPES 6, A BYPASS PIPE 9 WHICH CONNECTS THE FOUR- WAY VALVE 2 TO THE SIDE OF A SUCTION PIPE 6D OF THE COMPRESSOR 1 THROUGH A BYPASS VALVE 7, AND A CONTROL DEVICE WHICH IS DESIGNED TO CLOSE THE BYPASS VALVE 7 DURING HEATING OPERATION AND TO OPEN THE BYPASS VALVE 7 DURING COOLING OPERATION, AND IS DESIGNED TO CLOSE THE BYPASS VALVE 7 AT THE TIME OF STARTING OF COOLING OPERATION AND TO OPEN THE BYPASS VALVE 7 DURING NORMAL OPERATION THEREAFTER.
MYPI9301804 1992-09-09 1993-09-07 Air conditioning apparatus MY118276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4240327A JP2898826B2 (en) 1992-09-09 1992-09-09 Air conditioner

Publications (1)

Publication Number Publication Date
MY118276A true MY118276A (en) 2004-09-30

Family

ID=17057831

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9301804 MY118276A (en) 1992-09-09 1993-09-07 Air conditioning apparatus

Country Status (4)

Country Link
JP (1) JP2898826B2 (en)
CN (1) CN1057155C (en)
ES (1) ES2079279B1 (en)
MY (1) MY118276A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1297790C (en) * 2003-10-30 2007-01-31 博罗耀峰电子有限公司 Four way valve and ice-making machine using the valve
CN102537420A (en) * 2011-12-30 2012-07-04 美的集团有限公司 Air conditioner and four-way valve thereof
CN111120689B (en) * 2018-10-31 2021-12-03 广东美芝精密制造有限公司 Air conditioner and control method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894561A (en) * 1974-03-14 1975-07-15 Controls Co Of America Four-way reversing valve with differential area operator
US4232529A (en) * 1978-08-01 1980-11-11 Babbitt Frederick J Energy conservation refrigeration unit
US4406306A (en) * 1982-03-19 1983-09-27 Eaton Corporation Heat pump switchover valve
US4573497A (en) * 1984-08-23 1986-03-04 Ranco Incorporated Refrigerant reversing valve
US4976286A (en) * 1989-12-14 1990-12-11 Automatic Switch Company Four-way slide valve

Also Published As

Publication number Publication date
ES2079279A2 (en) 1996-01-01
JPH0688648A (en) 1994-03-29
CN1057155C (en) 2000-10-04
CN1088673A (en) 1994-06-29
ES2079279R (en) 1997-07-16
ES2079279B1 (en) 1998-02-16
JP2898826B2 (en) 1999-06-02

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